Description
Performance upgrade for use with aftermarket turbo. Downpipe, intercooler preferred. Needs computer modifications or aftermarket computer..1,500-6,200 RPM Operating Range.218/212 Duration at .050". 112 Degree Lobe Separation Angle..0.511"/0.504" Valve Lift.High Energy grinds are a good blend of efficiency and performance: ideal for performance street rebuilds..Works well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears..Fits Buick 231 Grand National 6 Cylinder.Made in USA